1998 International Truck s Oil Pressure

Engine Performance problem
1998 International Truck s Automatic

1998, 4700 T444e International Truck 7.3Liter engine, No Oil Pressure, we changed the sending unit, took out old Oil Pump(no damage), what can make it lose Oil Pressure.

Drew 219-455-8850

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Thursday, March 25th, 2010 AT 10:30 AM

1 Reply

HMAC300

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If it's got low oil pressure it should be making a lot of noise. But things that can cause this are bad oil filters, bearings or a bearing that has spun. BUT put a mechanical oil pressure guage that youknow is good and install that to see if you have oil pressure. Other things can be like a oil pressure valve that isn't on the pump and is stuck open due to foreign material in it.